Glx-Dock, a unique lightweight interface for the Linux desktop and inspired by OS X to complement Unity, GNOME, KDE, and other desktop environments, is now up to version 3.3. With Glx-Dock 3.3 the core has been rewritten to use objects, there's better Cinnamon Desktop integration, and plenty of other features and changes.
Glx-Dock 3.3 was announced last week and with it comes a search entry for the applications menu, support for logind with the logout applet, better Cinnamon integration, support for the StartupNotification protocl,, a notification history applet, an upgraded DBus API, and a huge rewrite of the Glx-Dock core for supporting objects.
There's also plenty of other changes to Glx-Dock as outlined by the detailed release announcement
. Those interested in Glx-Dock 3.3 screenshots can find them via this forum thread